New Delhi witnessed alarming levels of air pollution post Diwali as firecrackers filled the skies with smoke. However, questions were raised over the real extent of pollution as at least 43 of Delhi's 59 monitoring stations stopped reporting data for at least an hour. #delhi #pollution #wion About Channel: WION The World is One News examines global issues with in-depth analysis. We provide much more than the news of the day.